The cause of the crash of the Ukrainian airliner is up for investigation.

In recent days, all parties concerned have been divided on the cause of the crash of the Ukrainian passenger plane in Iran, Canada, the United States and other claims that Iranian missiles shot down the passenger plane, and the Iranian government categorically denied that the crash was related to Iran’s missile attack on the U.S. military base in Iraq. ICAO, for its part, called on parties to avoid speculation and to wait patiently for official findings.

The cause of the crash of the Ukrainian airliner is up for investigation.

Iranian television reported on the 9th, Iran’s Minister of Roads and Urban Development Mohammad Islami denied that the plane crash and the previous Iranian missile launch to the U. S. base in Iraq, and said that “technical problems” is the cause of the crash.

Canadian Prime Minister Justin Trudeau said Monday that the Ukrainian International Airlines plane that crashed near Tehran was shot down by an Iranian missile. “We have information from multiple sources, including our allies and our own, that the plane was shot down by a surface-to-air missile from Iran … and we have information that we have come from a number of sources,” Trudeau said at a news conference in Ottawa that afternoon. It was probably unintentional . . . to shoot down the plane. ”

On the same day, the Canadian Transportation Safety Board said the Iran Air Accident Investigation Agency had invited the commission to the crash site to participate in the investigation, and the committee had accepted the invitation. Earlier, the Canadian Foreign Minister on the 8th on the Canadian side involved in the accident investigation by telephone with the Iranian Foreign Minister.

It is reported that the crash of the Ukrainian passenger plane at least 63 Canadian passengers.

Another U.S. official, speaking on condition of anonymity, said that according to satellite data analysis, the crashed plane had been tracked by Iran’s radar system, and that the U.S. “considers to a certain extent” that the plane was shot down by anti-aircraft missiles.

It is understood that the Iranian Air Accident Investigation Agency has formally invited the U.S. National Transportation Safety Board to participate in the investigation of the cause of the crash of the Ukrainian airliner, the latter has accepted the invitation, and stressed that the Iranian Air Accident Investigation Agency will lead the entire investigation process.

ICAO said in a statement late Thursday that it has received a preliminary report from Iran on the cause of the crash in Ukraine. In response to mixed allegations about the crash, ICAO called on all parties concerned to reduce speculation and await official findings.

Earlier, the Ukrainian Embassy in Iran issued a statement on its website, saying that the crash was caused by an engine failure and that there was no terrorist attack. The statement was later withdrawn. The Ukrainian embassy said the cause of the crash would be released by the official committee. Ukrainian President Zelensky said he had instructed prosecutors to open a criminal investigation into the incident.

Ukraine International Airlines Boeing 737 aircraft took off from Tehran Khomeini International Airport on the morning of the 8th to the Ukrainian capital Kiev, but shortly after take-off crashed, 167 passengers and nine crew members on board were not alive. At present, the crash plane’s two black boxes have been found.